CN109349692A - A kind of embedded plastics bow elastic rubber chest pad and its production technology - Google Patents
A kind of embedded plastics bow elastic rubber chest pad and its production technology Download PDFInfo
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- CN109349692A CN109349692A CN201811411026.XA CN201811411026A CN109349692A CN 109349692 A CN109349692 A CN 109349692A CN 201811411026 A CN201811411026 A CN 201811411026A CN 109349692 A CN109349692 A CN 109349692A
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- chest pad
- elastic rubber
- plastics
- mould
- bow
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41C—CORSETS; BRASSIERES
- A41C5/00—Machines, appliances, or methods for manufacturing corsets or brassieres
- A41C5/005—Machines, appliances, or methods for manufacturing corsets or brassieres by moulding
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41C—CORSETS; BRASSIERES
- A41C3/00—Brassieres
- A41C3/12—Component parts
- A41C3/14—Stiffening or bust-forming inserts
- A41C3/144—Pads
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of elastic rubber chest pad of embedded plastics bow, including elastic rubber chest pad ontology, it is characterized in that: further including plastics bow；The profile of the elastic rubber chest pad ontology lower edge is equipped with arcuate extensions, arcuate extensions and elastic rubber chest pad ontology integrated injection molding, and entire plastics bow is embedded in arcuate extensions.The elastic rubber chest pad of this embedded plastics bow is by arcuate extensions and the injection molding simultaneously of elastic rubber chest pad ontology; the profile integrally connected of arcuate extensions and elastic rubber chest pad ontology lower edge; entire plastics bow is embedded in arcuate extensions; enable the profile of elastic rubber chest pad adaptive breast in wearing; the breast for effectively holding up female user is conducive to the health for protecting female user.
Description
Technical field
The present invention relates to a kind of chest pad, in particular to a kind of embedded plastics bow elastic rubber chest pad and its production technology.
Background technique
Currently, in order to play the role of moulding, chest pad generally use thermoplastic rubber material (such as TPE, TPR, SBS,
SEBS elastic rubber chest pad ontology made of), its advantage is that: comfortable feel, crushing resistance are good, preferable branch can be played to breast
Support sizing (i.e. moulding) effect.Applicant develops and has applied for a kind of chest pad and the bra top with the chest pad, Patent No.
ZL201420129994.2, this chest pad include elastic rubber chest pad ontology, the medial surface of elastic rubber chest pad ontology and outside
A plurality of through-hole is provided between face, the inside opening of each through-hole is covered with the medial surface of elastic rubber chest pad ontology, the outside of each through-hole
Opening is covered with the lateral surface of elastic rubber chest pad ontology, and volume shared by all through-holes is elastic rubber chest pad ontology total volume
40-80%.This chest pad can not only breathe freely under the premise of guaranteeing that elasticity, crushing resistance and moulding act on but also can effectively mitigate text
The weight of chest.
This brassiere with the chest pad is a kind of bra without steel rings, although bra without steel rings will not be to cream without steel ring
The raw compressing of house property, will not scratch human skin, but the bra without steel rings female user that needs chest full wear it is just good-looking,
Bra without steel rings can not be supported very well after the lesser female user wearing of chest, are caused breast without any support, are easily pulled down,
It is be easy to cause the mastoptosis of female user, adverse effect is caused to the health of female user.If will be toward thermoplastic elastomer material
Continue to be embedded in steel ring in brassiere made of expecting, that adds as steel ring with traditional foam-rubber cushion again, and steel ring oppresses breast, pierces through elasticity
Rubber chest pad, easy the problem of scratching skin, still have, in addition, steel ring is difficult to be placed in elastic rubber chest pad injection moulding process
In mold together with thermoplastic rubber material injection molding.
For this purpose, we have been devoted to the research and development of above-mentioned elastic rubber chest pad, do not have breast to solve elastic rubber chest pad
The problem of supporting role.
Summary of the invention
It is this problem to be solved by the invention is to provide a kind of embedded plastics bow elastic rubber chest pad and its production technology
Embedded plastics bow elastic rubber chest pad is capable of the profile of adaptive breast, effectively holds up the breast of female user, is conducive to protect
The health of female user.
In order to solve the above-mentioned technical problem, The technical solution adopted by the invention is as follows:
A kind of embedded plastics bow elastic rubber chest pad, including elastic rubber chest pad ontology, it is characterized in that: further including plastics bow；Institute
The profile for stating elastic rubber chest pad ontology lower edge is equipped with arcuate extensions, arcuate extensions and elastic rubber chest pad ontology one
Injection molding, entire plastics bow are embedded in arcuate extensions.
The material of above-mentioned elastic rubber chest pad ontology and plastics bow is by SEBS rubber, PP plastics, white oil, base oil structure
At, white oil, base oil with oil mass be SEBS rubber, PP plastics 100%---300%(i.e. 1 kilogram SEBS/PP material, want 1 kilogram
It is different from the soft or hard degree that plastics bend according to elastic rubber chest pad ontology to 3 kilograms of white oils, it is specific using different proportions
Manufacturing method can refer to bra liner material provided by the patent of invention of Patent No. ZL200810220211.0.
In elastic rubber chest pad injection moulding process, by arcuate extensions and the injection molding simultaneously of elastic rubber chest pad ontology,
The profile integrally connected of arcuate extensions and elastic rubber chest pad ontology lower edge；Entire plastics bow is embedded in arcuate extensions
And at elastic rubber chest pad ontology lower edge, embedded plastics bow is fused together completely with arcuate extensions, Bu Neng
Play in arcuate extensions, enables the profile of elastic rubber chest pad adaptive breast in wearing, has both played common steel ring
Supporting and shaping effect inside brassiere, and because plastics bow has the flexibility of plastics, so that experiencing not when female user is dressed
The presence bent to plastics mitigates compressing of the plastics bow to human body, effectively holds up the breast of female user, change brassiere for a long time
The structure held up using steel ring to breast is needed, padded chest type is more advantageous to.
As a preferred solution of the present invention, it is provided between the medial surface and lateral surface of the elastic rubber chest pad ontology multiple
Through-hole, the inside opening of each through-hole are covered with the medial surface of elastic rubber chest pad ontology, and the outer openings of each through-hole are covered with elastic rubber
The lateral surface of glue chest pad ontology.Through-hole it has been covered in above-mentioned elastic rubber chest pad ontology, this elastic rubber chest pad ontology is being protected
Card elasticity, crushing resistance and moulding were not only breathed freely under the premise of acting on, but also can mitigate brassiere weight.
Above-mentioned inside refers to that the side close to human body, outside refer to the side far from human body.
As a preferred solution of the present invention, the plastics bow includes the arc strip shape body being made of plastics, arc strip shape body
It is partially flat；The medial surface of arc strip shape body is provided at least two Blind locating holes.In elastic rubber chest pad injection moulding process, injection mold
In thimble inject in arc strip body from inside to outside in the Blind locating holes of side, arc strip shape body is ejected outward, is allowed
Thermoplastic rubber material can pass through from the medial surface stream of arc strip shape body, so that arc strip shape body is entirely wrapped in elastic rubber
In the thermoplastic rubber material of chest pad, precise positioning and the thermoplastic elastomer material of elastic rubber chest pad is wrapped in injection moulding process
In material so that arc strip shape body will not in elastic rubber chest pad play, play positioning action.It is preferred that the thickness of arc strip shape body
For 1-3mm.It is required according to the thickness of different brassieres to design the thickness of arc strip shape body.
As the further preferred embodiment of the present invention, it is provided between the lateral surface and medial surface of the arc strip shape body multiple
Limit hole, each limit hole is uniformly distributed along the radian direction of arc strip shape body, and arc strip shape body passes through each limit hole and the arc
Extension is fastened.In elastic rubber chest pad injection moulding process, thermoplastic rubber material can be passed through on arc strip shape body
Each limit hole, the thermoplastic rubber material in limit hole form thermoplastic elastomer item, and thermoplastic elastomer item plays similar rivet
Effect by arc strip shape body tense, positioning, and to entire arc strip shape body carry out it is wrapped, sufficiently enwind arc strip shape body,
So that arc strip shape body and elastic rubber chest pad one integrated mass, will not be subjected to displacement in elastic rubber chest pad.
The number of above-mentioned Blind locating holes is four, and two of them Blind locating holes are respectively arranged at the two of the arc strip shape body
End, another two Blind locating holes are set between the two neighboring limit hole.
The both ends of above-mentioned arc strip shape body are respectively equipped with round head.Round head generate the both ends of arc strip shape body will not
Acute angle, when injection molding, can form smooth complete structure with elastic rubber chest pad, will not puncture elastic rubber chest pad and scratching makes
User.
As the further preferred embodiment of the present invention, two ends of the arc strip shape body are from inside to outside gradually outward
It turns over.By this set, so that the chamfered shape of arc strip shape body and the shape of breast are mutually matched, it can more efficient picking-up female
The breast of property user.
A kind of production technology of embedded plastics bow elastic rubber chest pad, it is characterized in that including the following steps:
Step (1): mould before mould, chest pad before setting plastics bend, and be able to carry out the injection molding of plastics bow and be able to carry out elastic rubber
The shared rear mold of chest pad injection molding shares and is equipped with plastics bow location structure in rear mold；
Step (2): mould and the cooperation of shared rear mold constitute the injection molding that plastics bow mold carries out plastics bow before being bent using plastics；
Step (3): after plastics bend mold die sinking, mould cooperation constitutes chest before the shared rear mold and chest pad that directly have plastics to bend adhesion
Pad mold；
Step (4): after chest pad mold clamping, bend location structure by plastics in chest pad mold and repositioning is bent to plastics, make
Plastics bow is detached from the outer surface for sharing rear mold and positioning；
Step (5): chest pad mold is molded, and forms elastic rubber chest pad ontology and arcuate extensions, wherein arcuate extensions
Plastics are bent fully wrapped around；
The die sinking of step (5) chest pad mold, takes out elastic rubber chest pad finished product.
As a preferred solution of the present invention, mould is equipped with first glass of die cavity, arch vallecular cavity and the first conveying before the plastics bend
Channel, arch vallecular cavity are in the edge side of first glass of die cavity and connect with first glass of die cavity, and the side wall of arch vallecular cavity is equipped with
Feed inlet, the outlet of feed inlet and the first conveying channel；Mould is equipped with second glass of die cavity, cup die cavity extension and the before chest pad
Two conveying channels, cup die cavity extension are in the edge side of second glass of die cavity and connect with second glass of die cavity, and the second conveying is logical
Road and second glass of mould cavity；It shares rear mold and is equipped with rear pattern plate, convex cup mould, convex cup mould extension and plastics bow location structure, it is convex
Cup mould, convex cup mould extension are installed on rear pattern plate, convex cup mould extension be in the edge side of convex cup mould and with convex cup mould
Connect；First glass of die cavity, second glass of die cavity are corresponding with corresponding convex cup mould respectively, and arch vallecular cavity extends with corresponding convex cup mould
Portion is corresponding, and cup die cavity extension and corresponding convex cup mould extension are corresponding.
Above-mentioned inside refers to that the side close to human body, outside refer to the side far from human body.
As the further preferred embodiment of the present invention, the plastics bow location structure includes at least two thimbles, ejector retainner plates
With the thimble driving mechanism that each thimble can be driven to stretch out or retract, first rear mold, the second rear mold are equipped at least two
A location hole for penetrating through the convex cup mould extension and rear pattern plate, each thimble is in corresponding location hole and each item top
The movable end of needle is all exposed on the outer surface of convex cup mould extension, and ejector retainner plate is arranged in the inside of rear pattern plate, each thimble
Fixing end is mounted on ejector retainner plate, and ejector retainner plate is connect with the power output end of thimble driving mechanism.
When using plastics bow mold injection plastics bow, due to being equipped with thimble in each location hole of convex cup mould extension, push up
The top of needle is all exposed on the outer surface of convex cup mould extension, and the medial surface that plastics bend after injection molding will form at least two positioning
Blind hole；When plastics bow when shared rear mold and thereon cooperates progress elastic rubber chest pad to be molded with mould before chest pad, thimble driving machine
Structure drives each thimble to stretch out, and each thimble is still inserted in the Blind locating holes of plastics bow and plastics is driven to bend far from convex cup mould extension
Surface, make plastics bow in the space that cup die cavity extension and convex cup mould extension are constituted, when injection molding, molten plastic from
Second conveying channel enters and fills up second glass of die cavity and cup die cavity extension, is molded and is formed between second glass of die cavity and convex cup mould
Elastic rubber chest pad ontology, injection molding forms arcuate extensions between cup die cavity extension and convex cup mould extension, and plastics bow is then
It is completely encapsulated in arcuate extensions.
As further preferred embodiments of the present invention, be additionally provided in first rear mold, the second rear mold a plurality of shank and
Shank plate, the first rear mold, the second rear mold are equipped with the needle bar hole of multiple perforations convex cup mould and rear pattern plate, and each shank is in
In corresponding needle bar hole, the movable end of each shank is all exposed on the outer surface of convex cup mould, and the movable end of each shank
Equipped with the end face matched with the cambered surface of the cup die cavity, the inside of rear pattern plate, the fixing end of each shank is arranged in shank plate
It is installed on shank plate, rear pattern plate is connect with the power output end of the thimble driving mechanism.After molding, at each shank
In the space that cup die cavity is constituted with convex cup mould and the cambered surface of the movable end and cup die cavity of shank is engaged, after injection molding
Elastic rubber chest pad equally has multiple through-holes, under the premise of guaranteeing that elastic rubber chest pad elasticity, crushing resistance and moulding act on,
So that elastic rubber chest pad is lighter, and there is good gas permeability；When die sinking, thimble driving mechanism further drive thimble,
Rear pattern plate, molded elastic rubber chest pad are synchronized and are moved out, and each shank is then relative to molded elastic rubber chest pad
It retracts backward, to realize demoulding.It is a kind of optimal side that above-mentioned rear pattern plate is connect with the power output end of thimble driving mechanism
Case is that the driving of rear pattern plate and the driving of thimble use same thimble driving mechanism, this spline structure is simpler, certainly, this
The independent driving mechanism of rear pattern plate can be set in field technical staff, belongs to the direct replacement of the prior art.
The inside opening of above-mentioned each needle bar hole is covered with the medial surface of rear pattern plate, and the outer openings of each needle bar hole are covered with convex
The lateral surface of cup mould.By the way that intensive needle bar hole is arranged on convex cup mould, cooperates corresponding shank, make the elastic rubber of injection molding
Through-hole it has been covered in glue chest pad, weight is lighter, more ventilative.
As a preferred solution of the present invention, the bottom surface of the arch vallecular cavity is equipped with multiple pillars perpendicular to bottom surface, molding
When, the end of each pillar is engaged with the convex cup mould extension.Since the bottom surface of arch vallecular cavity is equipped with multiple pillars,
When injection-moulded plastic bends, multiple limit holes corresponding with pillar are generated on plastics bow, when carrying out the injection molding of elastic rubber chest pad, limit
Thermoplastic rubber material in hole forms thermoplastic elastomer item, and thermoplastic elastomer item plays the role of similar rivet and plastics are bent drawing
Tightly, it positions, and wrapped to the bow progress of entire plastics, plastics bow is sufficiently enwinded, so that plastics bend with elastic rubber chest pad completely
One.
Compared with the prior art, the invention has the following advantages:
The elastic rubber chest pad of this embedded plastics bow is by arcuate extensions and the injection molding simultaneously of elastic rubber chest pad ontology, arc
Entire plastics bow is embedded in arcuate extensions by the profile integrally connected of shape extension and elastic rubber chest pad ontology lower edge
In, enable the profile of elastic rubber chest pad adaptive breast in wearing, effectively holds up the breast of female user, be conducive to
Protect the health of female user.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of elastic rubber chest pad lateral surface in the specific embodiment of the invention；
Fig. 2 is the structural schematic diagram of elastic rubber chest pad medial surface in the specific embodiment of the invention；
Fig. 3 is the partial sectional view of elastic rubber chest pad in the specific embodiment of the invention；
Fig. 4 is the side view of mould before plastics bend；
Fig. 5 is the top view of mould before plastics bend；
Fig. 6 is the side view of mould before chest pad；
Fig. 7 is the top view of mould before chest pad；
Fig. 8 is the side view for sharing rear mold；
Fig. 9 is the top view for sharing rear mold；
Figure 10 is the schematic diagram for sharing rear mold setting plastics and bending location structure.
Specific embodiment
The present invention is specifically described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1-3, the elastic rubber chest pad that the embedded plastics in the present embodiment bend, including elastic rubber chest pad ontology
1 and plastics bow 2, the profile of 1 lower edge of elastic rubber chest pad ontology be equipped with arcuate extensions 11, arcuate extensions 11 and elastic rubber
1 integrated injection molding of glue chest pad ontology, entire plastics bow 2 are embedded in arcuate extensions 11.
Be provided with multiple through-holes 14 between the medial surface 12 and lateral surface 13 of elastic rubber chest pad ontology 1, each through-hole 14 it is interior
Side opening is covered with the medial surface 12 of elastic rubber chest pad ontology 1, and the outer openings of each through-hole 14 are covered with elastic rubber chest pad ontology 1
Lateral surface 13.Through-hole 14 it has been covered in above-mentioned elastic rubber chest pad ontology 1, this elastic rubber chest pad ontology 1 is guaranteeing bullet
Property, crushing resistance and moulding not only breathed freely under the premise of acting on, but also can mitigate brassiere weight.Above-mentioned elastic rubber chest pad ontology 1 can be adopted
One is made with the bra liner material that the patent of invention of Patent No. ZL200810220211.0 provides.Above-mentioned inside refers to patch
The side of person of modern times's body, outside refer to the side far from human body.
Plastics bow 2 includes the arc strip shape body 21 being made of plastics, and arc strip shape body 21 is partially flat；Arc strip shape body 21 it is interior
It opens there are four Blind locating holes 214 side 212.In elastic rubber chest pad injection moulding process, the thimble in injection mold is from inside to outside
It injects in the Blind locating holes 214 of 21 medial surface 212 of arc strip shape body, arc strip shape body 21 is ejected outward, allow thermoplasticity
Rubber material can be flowed from the medial surface 212 of arc strip shape body 21 to be passed through, so that arc strip shape body 21 is entirely wrapped in elastic rubber
In the thermoplastic rubber material of glue chest pad, precise positioning and the thermoplastic elastomer of elastic rubber chest pad is wrapped in injection moulding process
In material so that arc strip shape body 21 will not in elastic rubber chest pad play, play positioning action.
Multiple limit holes 213, each 213 edge of limit hole are provided between the lateral surface 211 and medial surface 212 of arc strip shape body 21
Arc strip shape body 21 radian direction it is uniformly distributed, arc strip shape body 21 is fastened by each limit hole 213 with arcuate extensions.
In elastic rubber chest pad injection moulding process, thermoplastic rubber material can pass through each limit hole 213 on arc strip shape body 21,
Thermoplastic rubber material in limit hole 213 forms thermoplastic elastomer item, and thermoplastic elastomer item plays the role of similar rivet will
Arc strip shape body 21 tenses, positioning, and carries out to entire arc strip shape body 21 wrapped, sufficiently enwinds arc strip shape body 21, makes
Arc strip shape body 21 and elastic rubber chest pad one integrated mass are obtained, will not be subjected to displacement in elastic rubber chest pad.
In four Blind locating holes 214, two of them Blind locating holes 214 are respectively arranged at the both ends of arc strip shape body 21, separately
Two Blind locating holes 214 are set between two neighboring limit hole 213.
The both ends of arc strip shape body 21 are respectively equipped with round head 215.Round head 215 makes the both ends of arc strip shape body 21 not
Can generate acute angle, when injection molding, can form smooth complete structure with elastic rubber chest pad, will not puncture elastic rubber chest pad and
Scratch user.
Two ends 216 of arc strip shape body 21 are gradually past from inside to outside to turn up.By this set, so that arc strip
The chamfered shape of body 21 and the shape of breast are mutually matched, can the more efficient breast for holding up female user.
Plastics are thermoplastic rubber material.Since elastic rubber chest pad is made of thermoplastic rubber material, plastics bow 2 is adopted
It is made of the material with elastic rubber chest pad same material, thus in injection moulding process, plastics bow 2 is easy to and thermoplastic elastomer
Material progress heat, which is melted, to be bonded together.
Arc strip shape body 21 with a thickness of 1-3mm.It is required according to the thickness of different brassieres to design arc strip shape body 21
Thickness.
In elastic rubber chest pad injection moulding process, arcuate extensions 11 and elastic rubber chest pad ontology 1 are molded into simultaneously
Type, the profile integrally connected of arcuate extensions 11 and 1 lower edge of elastic rubber chest pad ontology；Entire plastics bow 2 is embedded in arc
In extension 11 and at 1 lower edge of elastic rubber chest pad ontology, embedded plastics bow 2 merges completely with arcuate extensions 11
Together, cannot in arcuate extensions 11 play, enable the profile of elastic rubber chest pad adaptive breast in wearing,
Not only supporting and shaping of the common steel ring inside brassiere had been played the role of, but also because of 2 flexibility with plastics of plastics bow, so that for women
Family is not felt by the presence of plastics bow 2 when dressing, mitigate the compressing that plastics bend 2 pairs of human bodies, effectively hold up the breast of female user,
Change brassiere for a long time and need the structure held up using steel ring to breast, is more advantageous to padded chest type.
A kind of production technology for bending elastic rubber chest pad for producing above-mentioned embedded plastics, includes the following steps:
Step (1): mould 4 before mould 3, chest pad before setting plastics bend, and be able to carry out 2 injection molding of plastics bow and be able to carry out elastic rubber
The shared rear mold 5 that glue chest pad ontology 1 is molded shares and is equipped with plastics bow location structure 6 in rear mold 5；
Step (2): mould 3 constitutes the injection molding that plastics bow mold carries out plastics bow 2 with the cooperation of shared rear mold 5 before being bent using plastics；
Step (3): after plastics bend mold die sinking, directly adhesion there is mould 4 before the shared rear mold 5 and chest pad of plastics bow 2 cooperate structure
At chest pad mold；
Step (4): after chest pad mold clamping, bending location structure 6 by plastics in chest pad mold and relocate to plastics bow 2,
Plastics bow 2 is set to be detached from the outer surface for sharing rear mold 5 and positioning；
Step (5): chest pad mold is molded, and forms elastic rubber chest pad ontology 1 and arcuate extensions 11, wherein arc prolongs
Extending portion 11 is fully wrapped around by plastics bow 2；
The die sinking of step (5) chest pad mold, takes out elastic rubber chest pad finished product.
As shown in Figure 4, Figure 5, mould 3 is equipped with first glass of die cavity 301, arch vallecular cavity 302 and the first conveying before above-mentioned plastics bend
Channel 303, arch vallecular cavity 302 are in the edge side of first glass of die cavity 301 and connect with first glass of die cavity 301, arch vallecular cavity
302 side wall is equipped with feed inlet 304, the outlet of feed inlet 304 and the first conveying channel 303；As shown in Figure 6, Figure 7,
Mould 4 is equipped with second glass of die cavity 401, cup die cavity extension 402 and the second conveying channel 403 before chest pad, at cup die cavity extension 402
In second glass of die cavity 401 edge side and connect with second glass of die cavity 401, the second conveying channel 403 and second glass of die cavity 401
It communicates；As shown in Figure 8, Figure 9, it is fixed equipped with rear pattern plate 501, convex cup mould 502, convex cup mould extension 503 and plastics bow to share rear mold 5
Bit architecture 504, convex cup mould 502, convex cup mould extension 503 are installed on rear pattern plate 501, and convex cup mould extension 503 is in convex
The edge side of cup mould 502 simultaneously connects with convex cup mould 502；First glass of die cavity, 301, second glasss of die cavitys 401 respectively with it is corresponding convex
Cup mould 502 it is corresponding, arch vallecular cavity 302 and corresponding convex cup mould extension 503 are corresponding, cup die cavity extension 402 with accordingly
Convex cup mould extension 503 it is corresponding.
As shown in Figure 10, above-mentioned plastics bow location structure 6 includes four thimbles 601, ejector retainner plate 602 and can drive each item
The thimble driving mechanism 603 that thimble 601 is stretched out or retracted shares rear mold 5 and sets that there are four penetrate through convex cup mould extension 503 and rear mold
The location hole 604 of plate 501, each thimble 601 is in corresponding location hole 604 and the movable end of each thimble 601 is equal
Expose on the outer surface of convex cup mould extension 503, ejector retainner plate 602 is arranged in the inside of rear pattern plate 501, each thimble 601
Fixing end is mounted on ejector retainner plate 602, and ejector retainner plate 602 is connect with the power output end of thimble driving mechanism 603.Above-mentioned thimble
601 length exposed in convex 503 outer surface of cup mould extension are 0.5-2.5mm.It is required according to actual production, the thickness of plastics bow 2
Degree is generally 1-3mm, in order to generate Blind locating holes 214 in the medial surface of plastics bow 2, therefore thimble 601 is exposed and is prolonged in convex cup mould
The length range of the outer surface of extending portion 503 is set as 0.5-2.5mm.Above-mentioned thimble driving mechanism 603 generally uses cylinder, can also be with
The structure matched using motor, gear, rack gear can also be the knot that motor, screw rod, nut, guide rod, guide sleeve match
Structure.
It is additionally provided with a plurality of shank 7 and shank plate 8 in above-mentioned shared rear mold 5, shares rear mold and is equipped with multiple convex cup moulds of perforation
502 and rear pattern plate 501 needle bar hole 9, each shank 7 be in corresponding needle bar hole 9, and the movable end of each shank 7 is all exposed
On the outer surface of convex cup mould 502, and the movable end of each shank 7 is equipped with and matches with the cambered surface of first glass of die cavity 301
The inside of rear pattern plate 501 is arranged in end face, shank plate 8, and the fixing end of each shank 7 is installed on shank plate 8, rear pattern plate
501 connect with the power output end of thimble driving mechanism 603.
The bottom surface of above-mentioned arch vallecular cavity 302 is equipped with multiple pillars 305 perpendicular to bottom surface, when molding, each pillar 305
End is engaged with convex cup mould extension 503.
When using plastics bow mold injection plastics bow, due to being equipped with top in each location hole 604 of convex cup mould extension 503
Needle 601, the top of thimble 601 are all exposed on the outer surface of convex cup mould extension 503, the medial surface meeting of plastics bow 2 after injection molding
Form four Blind locating holes 214；Plastics bow 2 when shared rear mold 5 and thereon carries out elastic rubber chest pad with mould cooperation before chest pad
When injection molding, thimble driving mechanism 603 drives each thimble 601 to stretch out, and each thimble 601 is still inserted in the Blind locating holes 214 of plastics bow 2
In and drive plastics to bend 2 surfaces far from convex cup mould extension 503, make plastics bow 2 in cup die cavity extension 402 and convex cup mould
In the space that extension 503 is constituted, when injection molding, molten plastic enters from the second conveying channel 403 and fills up second glass of die cavity
401 and cup die cavity extension 402, injection molding forms elastic rubber chest pad ontology 1, cup between second glass of die cavity 401 and convex cup mould 502
Injection molding forms arcuate extensions 11 between die cavity extension 402 and convex cup mould extension 503, and plastics bow 2 is then completely encapsulated in
In arcuate extensions 11.After molding, each shank 8 is in the space that second glass of die cavity 401 and convex cup mould 502 are constituted simultaneously
And the movable end of shank 8 and the cambered surface of second glass of die cavity 401 are engaged, the elastic rubber chest pad ontology 1 after injection molding equally has
There are multiple through-holes 14, under the premise of guaranteeing that elastic rubber chest pad elasticity, crushing resistance and moulding act on, so that elastic rubber chest pad
It is lighter, and there is good gas permeability；When die sinking, thimble driving mechanism 603 further driving thimble 601, rear pattern plate 501,
Molded elastic rubber chest pad, which synchronizes, to be moved out, and each shank 8 is then relative to molded elastic rubber chest pad receding
It returns, to realize demoulding.It is a kind of optimal side that above-mentioned rear pattern plate 501 is connect with the power output end of thimble driving mechanism 603
Case is that the driving of rear pattern plate 501 and the driving of thimble 601 use same thimble driving mechanism 603, this spline structure is simpler
Single, certainly, the independent driving mechanism of rear pattern plate can be set in those skilled in the art, belongs to the direct replacement of the prior art.
In addition, it should be noted that, the specific embodiments described in this specification, each section title etc. can not
Together, the equivalent or simple change that all structure, feature and principles described according to the invention patent design are done, is included in the present invention
In the protection scope of patent.Those skilled in the art can do described specific embodiment various each
The mode that the modify or supplement or adopt of sample is similar substitutes, and without departing from structure of the invention or surmounts the claims
Defined range, is within the scope of protection of the invention.
Claims (10)
1. a kind of embedded plastics bend elastic rubber chest pad, including elastic rubber chest pad ontology, it is characterized in that: further including plastics bow；
The profile of the elastic rubber chest pad ontology lower edge is equipped with arcuate extensions, arcuate extensions and elastic rubber chest pad ontology one
Body injection molding, entire plastics bow are embedded in arcuate extensions.
2. embedded plastics bend elastic rubber chest pad as described in claim 1, it is characterized in that: the elastic rubber chest pad ontology
Multiple through-holes are provided between medial surface and lateral surface, the inside opening of each through-hole is covered with the medial surface of elastic rubber chest pad ontology,
The outer openings of each through-hole are covered with the lateral surface of elastic rubber chest pad ontology.
3. embedded plastics bend elastic rubber chest pad as described in claim 1, it is characterized in that: plastics bow includes by plastics system
At arc strip shape body, arc strip shape body is partially flat；The medial surface of arc strip shape body is provided at least two Blind locating holes.
4. embedded plastics bend elastic rubber chest pad as claimed in claim 3, it is characterized in that: the lateral surface of the arc strip shape body
Multiple limit holes are provided between medial surface, each limit hole is uniformly distributed along the radian direction of arc strip shape body, and arc strip shape body is logical
Each limit hole is crossed to be fastened with the arcuate extensions.
5. embedded plastics bend elastic rubber chest pad as claimed in claim 3, it is characterized in that: two of the arc strip shape body are held
Portion is gradually past from inside to outside to turn up.
6. a kind of production technology of embedded plastics bow elastic rubber chest pad, it is characterized in that including the following steps:
Step (1): mould before mould, chest pad before setting plastics bend, and be able to carry out the injection molding of plastics bow and be able to carry out elastic rubber
The shared rear mold of chest pad injection molding shares and is equipped with plastics bow location structure in rear mold；
Step (2): mould and the cooperation of shared rear mold constitute the injection molding that plastics bow mold carries out plastics bow before being bent using plastics；
Step (3): after plastics bend mold die sinking, mould cooperation constitutes chest before the shared rear mold and chest pad that directly have plastics to bend adhesion
Pad mold；
Step (4): after chest pad mold clamping, bend location structure by plastics in chest pad mold and repositioning is bent to plastics, make
Plastics bow is detached from the outer surface for sharing rear mold and positioning；
Step (5): chest pad mold is molded, and forms elastic rubber chest pad ontology and arcuate extensions, wherein arcuate extensions
Plastics are bent fully wrapped around；
The die sinking of step (5) chest pad mold, takes out elastic rubber chest pad finished product.
7. the production technology of embedded plastics bow elastic rubber chest pad as claimed in claim 6, it is characterized in that: before plastics bow
Mould be equipped with first glass of die cavity, arch vallecular cavity and the first conveying channel, arch vallecular cavity be in the edge side of first glass of die cavity and with
First glass of die cavity connects, and the side wall of arch vallecular cavity is equipped with feed inlet, the outlet of feed inlet and the first conveying channel；Chest pad
Preceding mould is equipped with second glass of die cavity, cup die cavity extension and the second conveying channel, and cup die cavity extension is in the side of second glass of die cavity
Edge side simultaneously connects with second glass of die cavity, the second conveying channel and second glass of mould cavity；It shares rear mold and is equipped with rear pattern plate, convex cup
Mould, convex cup mould extension and plastics bend location structure, and convex cup mould, convex cup mould extension are installed on rear pattern plate, and convex cup mould prolongs
Extending portion is in the edge side of convex cup mould and connects with convex cup mould；First glass of die cavity, second glass of die cavity respectively with corresponding convex cup
Mould is corresponding, and arch vallecular cavity and corresponding convex cup mould extension are corresponding, cup die cavity extension and corresponding convex cup mould extension
It is corresponding.
8. the production technology of embedded plastics bow elastic rubber chest pad as claimed in claim 7, it is characterized in that: plastics bow is fixed
Bit architecture includes at least two thimbles, ejector retainner plate and can drive each thimble driving mechanism thimble stretching or retracted, described
First rear mold, the second rear mold are equipped with the location hole of at least two perforations convex cup mould extension and rear pattern plate, each thimble
It is in corresponding location hole and the movable end of each thimble is all exposed on the outer surface of convex cup mould extension, ejector retainner plate
The inside of rear pattern plate is set, and the fixing end of each thimble is mounted on ejector retainner plate, the power of ejector retainner plate and thimble driving mechanism
Output end connection.
9. the production technology of embedded plastics bow elastic rubber chest pad as claimed in claim 8, it is characterized in that: after described first
A plurality of shank and shank plate are additionally provided on mould, the second rear mold, the first rear mold, the second rear mold are equipped with multiple perforation convex cup moulds
And the needle bar hole of rear pattern plate, each shank are in corresponding needle bar hole, the movable end of each shank is all exposed in convex cup mould
On outer surface, and the movable end of each shank is equipped with the end face matched with the cambered surface of the cup die cavity, and the setting of shank plate exists
The inside of rear pattern plate, the fixing end of each shank are installed on shank plate, the power of rear pattern plate and the thimble driving mechanism
Output end connection.
10. the production technology of embedded plastics bow elastic rubber chest pad as claimed in claim 6, it is characterized in that: the arcuate slots
The bottom surface of chamber is equipped with multiple pillars perpendicular to bottom surface, and when molding, the end of each pillar is contacted with the convex cup mould extension
Cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411026.XA CN109349692B (en) | 2018-11-24 | 2018-11-24 | Elastic rubber breast pad embedded with plastic bow and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411026.XA CN109349692B (en) | 2018-11-24 | 2018-11-24 | Elastic rubber breast pad embedded with plastic bow and production process thereof |
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| Publication Number | Publication Date |
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| CN109349692A true CN109349692A (en) | 2019-02-19 |
| CN109349692B CN109349692B (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114515030A (en) * | 2022-03-02 | 2022-05-20 | 丽晶维珍妮内衣(深圳)有限公司 | Cup with airflow effect and manufacturing method thereof |
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| CN201403505Y (en) * | 2009-05-11 | 2010-02-17 | 吴滔 | Bra pad |
| CN202035490U (en) * | 2011-03-21 | 2011-11-16 | 李峰 | Silica gel brassiere |
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|---|---|
| CN109349692B (en) | 2021-02-05 |
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